A government task force says a daily low-dose aspirin could help certain people in their 50s and 60s prevent a first heart attack or stroke -- and they might get some protection against colon cancer at the same time.

Researchers have shown that patients paralyzed from the neck down can move robotic arms with their minds, according to a new report in the journal Nature that documents two cases involving brain-stem stroke victims. Margaret Warner discusses the hopes for…

The new novel "Conquistadora" paints a picture of love and adventure as a young women travels from Spain to Puerto Rico where her husband has inherited a sugar plantation. Jeffrey Brown speaks with author Esmeralda Santiago about the epic story…

Pharmaceutical company Merck knew in 2001 that its arthritis drug Vioxx could harm patients and used staffers to "ghostwrite" favorable research on the drug, articles in the Journal of the American Medical Association report. Susan Dentzer examines the charges.

A new study on Type 2 diabetes was partially halted after research showed lowering blood sugar levels for some high-risk patients increased their chances of dying from a heart attack. The head of the American Diabetes Association details the surprising…